[Sidefx-houdini-list] Animating Boolean Triggers
seanl at rainmaker.com
Thu May 31 06:43:22 EDT 2007
Not quite sure what you mean. Is this a real-time type of thing where
the artist plays the file and hits a "trigger"? If so, you can use the
Or are you talking about animating the on/off status of a toggle
widget? Or do you mean that everytime someone hits the trigger button,
it sets a value to 1 if it was zero and zero if it was one, and adds a
key at that frame? If so, I think your callback idea is best, (setting
a key on a spare channel for instance).
Georg Duemlein, Dipl.-Des. wrote:
> how would one animate 'boolean triggers' in Houdini?
> I have a OTL that should offer an Trigger (on/off).
> This results in an animation curve of 1 if the trigger is on and 0 if
> the trigger is off with contant interpolation.
> I looks like the 'trigger' interface is not animatable.
> I thought of having a callback script that generates keyframes and
> sets the interpolation to constant().
> This is sure a funny and educative trip, but maybe I am missing
> something obvious.
> Kind regards,
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